Prevent reoccurring namespace inconsistencies (#737)

https://gitea.com/gitea/helm-chart/pulls/713 ensured that all resources
contain a `namespace` field. When adding Gitea actions runner support in
https://gitea.com/gitea/helm-chart/pulls/666, this was an oversight.

Signed-off-by: justusbunsi <sk.bunsenbrenner@gmail.com>

Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/737
Co-authored-by: justusbunsi <sk.bunsenbrenner@gmail.com>
Co-committed-by: justusbunsi <sk.bunsenbrenner@gmail.com>

templates/gitea/act_runner/rolebinding-job.yaml

@@ -7,6 +7,7 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
   name: {{ $name }}
+  namespace: {{ .Values.namespace | default .Release.Namespace }}
   labels:
     {{- include "gitea.labels" . | nindent 4 }}
     app.kubernetes.io/component: token-job